	Authors	Year	Title
	Herbig, Korn & Mestermann	1999	Crenistria Event and Asbian-Brigantian Transition in the South Portuguese Zone - Sea Level Control on a Hemipelagic Late Dinantian Platform. Facies, 41: 183-196, 4 figs., pl.41-42, Erlangen.
	Korn	1997	The Palaeozoic ammonoids of the South Portuguese Zone. Memórias do Instituto geológico e Mineiro 33: 1-131, 69 text-figs., 16 pls., Lisboa.